Jamie Leigh

Partner
jleigh@cooley.com
Full contact info

We deliver cutting-edge legal expertise with practical business judgment. My job is to step up and execute in the most effective manner.

About Jamie

Jamie is the chair of Cooley’s global mergers and acquisitions group. Her representative tech clients include Zoom, Uber, Datadog, Twilio, Fastly, Sunrun, Netflix, Dropbox, Automattic, Levi Strauss & Co., Procore, Tableau, Ellie Mae, Looker, Chegg and MINDBODY. Jamie’s representative life sciences clients include Medivation, Arena Pharmaceuticals, RayzeBio, Carmot Therapeutics, Five Prime Therapeutics, Kite Pharma, Portola Pharmaceuticals, Principia Biopharma, Forty Seven and Abaxis. Her representative investment banking clients include Qatalyst Partners, Morgan Stanley and Centerview Partners.

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Passions

Seahawks football

Flat water paddle boarding

Experience

Chimerix Announces Acquisition by Jazz Pharmaceuticals for $935 Million

Chimerix Announces Acquisition by Jazz Pharmaceuticals for $935 Million

March 5, 2025

Cooley advised Chimerix (Nasdaq: CMRX), a biopharmaceutical company with a mission to develop medicines that meaningfully improve and extend the lives of patients facing deadly diseases, on its definitive agreement to be acquired by Jazz Pharmaceuticals (Nasdaq: JAZZ) for $8.55 per share in cash – totaling approximately $935 million.

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Related contacts

Jason Kent
Partner, New York
Kevin Cooper
Partner, New York
Nathan Baum
Special Counsel, New York
Jamie Leigh
Partner, San Francisco
Izzy Lubarsky
Partner, New York
Susan Choy
Associate, New York
Charlotte Yin
Associate, New York
Angela Kim
Associate, New York
Jane Adams
Partner, San Diego
Christophe Beauduin
Partner, New York
Ross Eberly
Partner, Santa Monica
Stella Sarma
Partner, Brussels
Megan Arthur Schilling
Partner, San Diego
Natasha Leskovsek
Of Counsel, Washington, DC
Juliana Finley
Associate, Santa Monica
Elizabeth Galvin
Associate, Boston
Carly E. Gibbons
Associate, Chicago
Nathaniel Hearn Jr.
Associate, Chicago
Calvin Lee
Associate, New York
Joseph Perry
Associate, Reston
Greg Reith
Associate, Washington, DC
Freddy Yip
Associate, Hong Kong
Drue Anne Koons
Paralegal Specialist, San Diego

Related Practices & Industries

Mergers and Acquisitions
Capital Markets
Life Sciences
Healthcare
Life Sciences Corporate Partnering and Licensing
Life Sciences and Healthcare Regulatory
CooleyREG
Trademark, Copyright and Advertising
Tax
Labor and Employment
Compensation and Benefits
Antitrust and Competition
Debt Finance

LegalZoom Announces Acquisition of Formation Nation

LegalZoom Announces Acquisition of Formation Nation

February 10, 2025

Cooley advised LegalZoom (Nasdaq: LZ), an online platform for legal services, on its acquisition of Formation Nation, a small-business services company.

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Related contacts

Jamie Leigh
Partner, San Francisco
Erin J. Kirchner
Partner, Chicago
Nathan Baum
Special Counsel, New York
Scott Dailard
Partner, San Diego
Ross Eberly
Partner, Santa Monica
Charles Haley
Partner, Palo Alto
C. Thomas Hopkins
Partner, Santa Monica
Barbara Mirza
Partner, Santa Monica
Jeremy Morrison
Partner, Washington, DC
Addison Pierce
Partner, Chicago
Jonathan Rivinus
Partner, Colorado
Logan Tiari
Partner, Los Angeles
John-Paul Motley
Partner in Charge, Los Angeles, Los Angeles
Sharon Connaughton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Ana A. Bordallo
Associate, San Diego
Caitlin Breitenbruck
Associate, Seattle
Alexander Ellebracht
Associate, Palo Alto
Emma Frerichs
Associate, Chicago
Liza Hadley
Associate, Boston
Allison Kutner
Associate, New York
Eileen Leman
Associate, Los Angeles
Patrick Reed
Associate, Palo Alto
Leanne Andrepont
Senior Trademark Paralegal
Patricia Myers
Paralegal Specialist, Colorado

Related Practices & Industries

Mergers and Acquisitions
Technology Transactions
Technology
Compensation and Benefits
Commercial Litigation
Cyber/Data/Privacy
Labor and Employment
Patent Counseling and Prosecution
Antitrust and Competition
Debt Finance
Tax
Capital Markets
Trademark, Copyright and Advertising
CooleyREG

Alumis Announces Merger With ACELYRIN

Alumis Announces Merger With ACELYRIN

February 6, 2025

Cooley advised Alumis (Nasdaq: ALMS), a clinical-stage biopharmaceutical company developing therapies using a precision approach to optimize clinical outcomes and significantly improve the lives of patients with immune-mediated diseases, on its definitive agreement with ACELYRIN to merge in an all-stock transaction.

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Related contacts

Jamie Leigh
Partner, San Francisco
David Peinsipp
Partner, San Francisco
Ben Beerle
Partner, San Francisco
Kristin VanderPas
Partner, San Francisco
Polina A. Demina
Special Counsel, New York
Sangitha Palaniappa
Associate, Palo Alto
Christine Turner
Associate, Colorado
Shaun (Tianjie) Wang
Associate, New York
Megan Browdie
Partner, Washington, DC
Lauren Creel
Partner, Palo Alto
Ross Eberly
Partner, Santa Monica
Stephanie Gentile
Partner, New York
Sarah Lightdale
Partner, New York
Phil Mitchell
Partner, New York
Jeremy Morrison
Partner, Washington, DC
Alessandra Murata
Partner, Palo Alto
Jennifer Raab
Partner, Palo Alto
Patrick Van Eecke
Partner, Brussels
Natasha Leskovsek
Of Counsel, Washington, DC
Julia R. Brinton
Special Counsel, Washington, DC
Andrew Epstein
Special Counsel, Seattle
Caroline Vu
Special Counsel, Palo Alto
Christopher Andrews
Associate, New York
Dannielle Antone
Associate, San Francisco
Tamara Chin Loy
Associate, Washington, DC
Navya Dasari
Associate, New York
Joshua Elefant
Associate, Palo Alto
Winda Fung
Associate, Santa Monica
Gary Warren Hunt III
Associate, Washington, DC
Wyatt Kernell
Associate, Colorado
Kristina Krasnikova
Associate, Palo Alto
Sunny J. Levine
Associate, Colorado
Amanda Lindner
Associate, New York
Jayne M. Munger
Associate, New York
Julianne Orr
Associate, San Francisco
Michael Pelle
Associate, New York
Breanna Qin
Associate, Palo Alto
Bartholomäus Regenhardt
Associate, Brussels
Jesse Schulman
Associate, Colorado
Freddy Yip
Associate, Hong Kong
Isabella Ysebrands
Associate, San Francisco

Related Practices & Industries

Mergers and Acquisitions
Life Sciences

AuditBoard to Be Acquired by Hg for More Than $3 Billion

AuditBoard to Be Acquired by Hg for More Than $3 Billion

May 23, 2024

Cooley advised AuditBoard, a leading connected risk platform transforming audit, risk, compliance, and environmental, social and governance (ESG) management, on its agreement to be acquired for more than $3 billion by Hg, an experienced and leading global investor in compliance, risk and accounting software over the last 20 years.

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Related contacts

Jamie Leigh
Partner, San Francisco
Anne Lieberman
Partner, Santa Monica
Caitlin Breitenbruck
Associate, Seattle
Eric Jensen
Senior Counsel, Palo Alto
Jodie Bourdet
Partner, San Francisco
Sepideh Mousakhani
Partner, Palo Alto
Alessandra Murata
Partner, Palo Alto
Todd Gluth
Partner, San Diego
Howard Morse
Senior Counsel, Washington, DC
Megan Browdie
Partner, Washington, DC
David Silverman
Partner, New York
Tracy Rubin
Partner, Palo Alto
Ross Eberly
Partner, Santa Monica
Karen Tsai
Special Counsel, Washington, DC
Stella Sarma
Partner, Brussels
Rubin Waranch
Associate, Colorado
Queenie Chen
Associate, Palo Alto
Pat O'Connell
Associate, New York
Elizabeth Galvin
Associate, Boston
Athina Gaki
Associate, Brussels
Allison Kutner
Associate, New York
Breanna Qin
Associate, Palo Alto

Related Practices & Industries

Mergers and Acquisitions
Technology Transactions
Compensation and Benefits

Squarespace to Go Private in $6.9 Billion Transaction With Permira

Squarespace to Go Private in $6.9 Billion Transaction With Permira

May 13, 2024

Cooley advised Accel, a long-standing investor of Squarespace, in connection with Squarespace’s definitive agreement to go private by Permira in an approximately $6.9 billion all-cash transaction.

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Related contacts

Ben Beerle
Partner, San Francisco
Amelia Runyan Davis
Partner, Colorado
Jamie Leigh
Partner, San Francisco
Patrick Gibbs
Partner, Palo Alto

Related Practices & Industries

Mergers and Acquisitions
Private Equity
Securities Litigation + Enforcement
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A Conversation on M&A in Today’s Market

Admissions and credentials

California

New York

Rankings and accolades

Chambers USA: Corporate/M&A – California: San Francisco, Silicon Valley & Surro (2021 – 2024)

The Deal: Top Women in Dealmaking (2022)

The Deal: Dealmaker of the Year Finalist – Technology, Media & Telecom (2022)

The Deal: Dealmaker of the Year Finalist (2019, 2021)

The Deal: Women in M&A – The Powerhouse 20 (2018)

The Recorder: Trusted Adviser (2017)

The Recorder: Women Leaders in Tech Law (2017, 2022)

Lawdragon: 500 Leading Dealmakers in America (2023)

The Legal 500 US: Leading Lawyer in M&A: Middle-Market (2023)

The Legal 500 US: M&A/Corporate and Commercial (2016 – 2023)

The Legal 500: M&A Powerlist – US Region

National Law Journal: M&A/Antitrust Trailblazer (2016)

Memberships and affiliations

International Bar Association – Corporate and M&A Law Committee Officer

Berkeley Center for Law and Business – Executive Advisory Board

American Bar Association (ABA)

The Deal Podcast

Jamie discusses her career path, advising tech and life sciences companies, her work for MIRROR on its agreement to sell to Lululemon and more

Listen to the podcast